3.5.7.29 -stable review patch.  If anyone has any objections, please let me 
know.

------------------

From: "Yan, Zheng" <[email protected]>

commit eb1b8af33c2e42a9a57fc0a7588f4a7b255d2e79 upstream.

Aborted requests usually get cleared when the reply is received.
If MDS crashes, no reply will be received. So we need to cleanup
aborted requests when re-sending requests.

Signed-off-by: Yan, Zheng <[email protected]>
Reviewed-by: Greg Farnum <[email protected]>
Signed-off-by: Sage Weil <[email protected]>
Signed-off-by: Luis Henriques <[email protected]>
---
 fs/ceph/mds_client.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/fs/ceph/mds_client.c b/fs/ceph/mds_client.c
index 0b26ea8..5efe309 100644
--- a/fs/ceph/mds_client.c
+++ b/fs/ceph/mds_client.c
@@ -1815,8 +1815,11 @@ static int __do_request(struct ceph_mds_client *mdsc,
        int mds = -1;
        int err = -EAGAIN;
 
-       if (req->r_err || req->r_got_result)
+       if (req->r_err || req->r_got_result) {
+               if (req->r_aborted)
+                       __unregister_request(mdsc, req);
                goto out;
+       }
 
        if (req->r_timeout &&
            time_after_eq(jiffies, req->r_started + req->r_timeout)) {
-- 
1.8.3.2

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